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- The pump threshold pulse power of SR and ASR are 18. OW and 25. 4W. 用脈寬為10ns的可調諧摻鉺光纖激光器作為背向泵浦源;得到背向斯托克斯拉曼(SR)和反斯托克斯拉曼(ASR)的脈沖放大閾值泵浦功率分別為18.;0W和25
- At medium power magnification, numerous neutrophils fill the alveoli in this case of acute bronchopneumonia in a patient with a high fever. 伴高熱的急性支氣管肺炎病人鏡下可見(jiàn)大量中性粒細胞充滿(mǎn)肺泡。
- At low power magnification, a lipoma of the small intestine is seen to be well demarcated from the mucosa at the lower center-right. 當然，腫瘤有良性和惡性之分，盡管它們的區別不總是很明顯的。
- NRL developed a new set, the XAR, with 22 times the pulse power and 11 times the receiver sensitivity of the XAF. NRL研制出了新雷達XAR，比XAF提高了22倍的脈沖強度和11倍的接收器敏感度。
- The main circuit of the wire-incisory pulse power with PWM energy-controlled electric spark serves as a closed loop. PWM控制節能式電火花線(xiàn)切割脈沖電源主電路是一個(gè)電流閉環(huán)控制系統,放電電流的動(dòng)態(tài)特性是影響電火花線(xiàn)切割加工工藝性能的重要因素。
- The EDM(electron discharge machining) dressing pulse power was developed based on the requirement of EDM dressing. 根據電火花修整的需要,研制了電火花修整脈沖電源。
- Some experiments and applications show that the portable pulse power supply is stable and reliable. 實(shí)驗和應用表明,該小型脈沖電源具有較好的穩定性和可靠性。
- A pulse control circuit for EDM pulse power designed with AHDL was introduced in this paper. 用AHDL語(yǔ)言設計了適用于電火花加工機床脈沖電源的脈沖控制電路。
- HE Guang-min, ZHAO WAN-sheng, GUO Yongfeng, et al.Research of the nanosecond pulse power[J].Electromachining & Moul, 1994, (4): 11-13. [3]何廣敏;趙萬(wàn)生;郭永豐;等.;納秒級脈沖電源的研制[J]
- Nickel is electrochemical micromachininged using nanosecond pulse power,millisecond pulse power and direct current power. 利用納秒級脈沖電源、毫微秒級脈沖電源和直流電源,進(jìn)行了電解加工試驗。
- Pulse power with fast rise time technology was applied in many fields such as nuclear physics, electron beam, accelerator, laser, HPM etc. 高壓大電流快脈沖技術(shù)在核物理技術(shù)、電子束、加速器、激光、HPM等許多現代科學(xué)技術(shù)領(lǐng)域都有廣泛的應用。
- Finally, the operation of pulse power supply system is analyzed on the basis of the improved ESD, CESD and computer-aided ESD software. (4)提出逆向ESD計算機輔助分析軟件的基本框架,給出了該軟件系統的組成和功能,闡述了其數據組織、工作流程以及實(shí)現的主要技術(shù)和方法。
- The function of pulse power system of LIA (Linear Induction Accelerator) is generating accelerative pulse and providing it toaccelerate electronic beam synchronously. 在直線(xiàn)感應加速器中,脈沖功率系統的作用是向加速器提供與被加速電子束同步的加速脈沖。
- The experiments are carried out when the PFL is charged by capacitors through a pulse transformer in two cases that the pulse power modulator is with or without pre-pulse switch. 在電容器通過(guò)變壓器為脈沖形成線(xiàn)充電的脈沖功率調制器中，將預脈沖開(kāi)關(guān)去掉進(jìn)行了實(shí)驗，并與有預脈沖開(kāi)關(guān)的情況進(jìn)行了對比，結果發(fā)現無(wú)預脈沖開(kāi)關(guān)的情況下，不影響二極管的正常工作和產(chǎn)生電子束的質(zhì)量。
- The reference materials for the snubber circuit design are proivided theoretically in this paper.Futhermore.it analyzes a soft switching circuit that suits pulse power supply. 接著(zhù)本文還探討了一種適合特種脈沖電源的軟開(kāi)關(guān)電路，對這種軟開(kāi)關(guān)電路的工作過(guò)程進(jìn)行了理論上的分析，并進(jìn)行了仿真實(shí)驗驗證。
- WT5”,6BZ]:In this paper,we present the analysis the influence of the factors on the backscattered pulse power,signal to noise ratio (SNR) and ranging accuracy. 本文分析了掃描角度和航高對機載激光雷達的回波功率、信噪比和測距精度的影響。
- Based on the analysis of the waveshape collected in machining, a dual-channel MOSFET micro-energy pulse power source was designed to make the gap voltage fall down t. 以絕緣柵型場(chǎng)效應管(MOSFET)作為開(kāi)關(guān)元件的獨立式單路控制微能脈沖電源設計存在著(zhù)缺陷,不利于穩定加工。
- The king was shorn of his power by his nobles. 國王被手下的貴族們剝奪了權力。
- An unwanted false electronic pulse. 一種不希望有的假電子脈沖。
